Ctenomys pilarensis

J. R. Contreras, 1993

Pilar Tuco-tuco

Taxonomy

Subclass: Theria
Infraclass: Placentalia
Magnorder: Boreoeutheria
Superorder: Euarchontoglires
Order: Rodentia
Suborder: Hystricomorpha
Infraorder: Hystricognathi
Parvorder: Caviomorpha
Superfamily: Octodontoidea
Family: Ctenomyidae
Genus: Ctenomys

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Contreras, J.R. 1993. Una nueva especie de roedor excavador del género Ctenomys procedente del Paraguay oriental (Rodentia: Octodontidae, Ctenomyinae). Descripción preliminar. Pp. 44–46 in Anonymous. (eds.). Resúmenes VI Congreso Iberoamericano de Conservación y Zoología de Vertebrados (Santa Cruz, Bolivia). Unknown, Santa Cruz (Bolivia).

Original name as described

Ctenomys pilarensis

Other common names

Paraguayan Tuco-tuco

Type material

CZPLT:M:1587, CFA-MA-11970

Type kind

holotype

Type locality

"Pilar, [Ñeembucú], Paraguay."

Biogeographic realm

Neotropic

Country distribution

Paraguay

Taxonomy notes

includes the recently described paraguayensis

Taxonomy notes citation

Contreras, J.R. 2000. Ctenomys paraguayensis, una nueva especie de roedor excavador procedente del Paraguay Oriental (Mammalia, Rodentia, Ctenomyidae). Revista del Museo Argentino de Ciencias Naturales 2(1):61-68. doi:10.22179/revmacn.2.125 · Smith, P. and Owen, M.T. 2026. The Paraguayan micro-endemics Ctenomys paraguayensis Contreras, 2000 and Ctenomys pilarensis Contreras, 1993 (Mammalia: Ctenomyidae) are morphologically indistinguishable. Mammal Research 71(3):47. doi:10.1007/s13364-026-00866-w

IUCN Red List status

Endangered

Species Permalink

https://mammaldiversity.org/taxon/1001352

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details.

Total: 3 names and synonyms.

Ratton tucotuco

Brants, 1827

Family

Ctenomyidae

Root name

tucotuco

Validity status

synonym

Nomenclatural status

notintendedasascientific_name

Authority page

187

Authority page URI

https://www.biodiversitylibrary.org/page/47497129

Authority publication

Berlin

Name usages

Brants (1827:187, https://www.biodiversitylibrary.org/page/47497129) (information at https://hesperomys.com/a/35204)

Ctenomys pilarensis

J. R. Contreras, 1993

Family

Ctenomyidae

Root name

pilarensis

Validity status

species

Nomenclatural status

available

Type

CZPLT:M:1587, CFA-MA-11970

Type kind

holotype

Original type locality

Yataytí, 4, 5 km al este de la Ciudad de la Pilar, Departamento Ñuembucú, República del Paraguay

Type locality

Paraguay: 26°52′45″S, 58°15′35″W.

Authority page

44

Authority publication

Santa Cruz (Bolivia)

Name usages

Woods & Kilpatrick (2005) (information at https://hesperomys.com/a/8545)
Wilson, Lacher & Mittermeier (2016:530) (information at https://hesperomys.com/a/59599)
Mammal Diversity Database (2018:ID #136289) (information at https://hesperomys.com/a/67336)
Mammal Diversity Database (2019:ID #136289) (information at https://hesperomys.com/a/67337)
Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1001352) (information at https://hesperomys.com/a/67250)
International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/136289/22195989) (information at https://hesperomys.com/a/67246)
Smith & Owen (2026:15) (information at https://hesperomys.com/a/73066)

Ctenomys paraguayensis

J. R. Contreras, 2000

Family

Ctenomyidae

Root name

paraguayensis

Validity status

synonym

Nomenclatural status

available

Type

CZPLT:M:1557 (= MHNJSL MZ-00015)

Type kind

holotype

Original type locality

en la localidad de Coraté-i, 12 kilómetros al oeste de la ciudad de Ayolas, departamento Misiones, República del Paraguay, aproximadamente en las coordenadas: 27* 24'S-57* 01' W, 12 kilómetros al oeste de la localidad de Ayolas, en el distrito Ayolas del departamento Misiones de la República del Paraguay

Type locality

Paraguay: 27°24′S, 57°1′W.

Authority page

62

Authority publication

Revista del Museo Argentino de Ciencias Naturales

Name usages

Wilson, Lacher & Mittermeier (2016:530) (information at https://hesperomys.com/a/59599)
Mammal Diversity Database (2018:ID #400000110) (information at https://hesperomys.com/a/67336)
Mammal Diversity Database (2019:ID #400000110) (information at https://hesperomys.com/a/67337)
Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1001348) (information at https://hesperomys.com/a/67250)
Smith & Owen (2026:15) (information at https://hesperomys.com/a/73066)

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